Audi A3 1997 - Page 59

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Display on VAS 5051 Possible cause of trouble Fault remedy
- "1" not displayed in measured value block
140 for radio =>Page 70
- Dash panel insert adaption not performed
correctly
- Select adaption channel 62 and enter
correct adaption value => Page 105
Display on VAS 5051 Possible cause of trouble Fault remedy
01311
Data bus information
- Defective - Open circuit in wiring or short circuit at
control unit in information data bus
- Use current flow diagram to perform fault-
finding
- Incorrect control unit in information data
bus, i.e. no CAN capability
- Replace control unit with one featuring
CAN capability
- "1" not displayed in measured value block
140 for control unit with CAN capability
=>Page 70
- Dash panel insert adaption not performed
correctly
- Select adaption channel 62 and enter
correct adaption value => Page 105
- In one-wire operation
- Data bus only operating on one wire (may
lead to EMC problems)
- Check data exchange => Page 109
Display on VAS 5051 Possible cause of trouble Fault remedy
01312
Drive train data bus
- Defective - Open circuit in wiring or short circuit at con‐
trol unit in drive train data bus
- Use current flow diagram to perform fault-
finding
- Incorrect control unit in drive train data bus,
i.e. no CAN capability
- Replace control unit with one featuring
CAN capability
- "1" not displayed in measured value block
125 for control unit with CAN capability
=>Page 70
- Control unit with CAN capability not adap‐
ted during dash panel insert adaption
- Select adaption channel 60 and enter
correct adaption value => Page 102
Display on VAS 5051 Possible cause of trouble Fault remedy
01314
Engine control unit
- No communication - Open circuit in wiring or short circuit - Use current flow diagram to perform fault-
finding
- Incorrect control unit, i.e. no CAN capability - Replace control unit with one featuring
CAN capability
- "1" not displayed in measured value block
125 for engine control unit =>Page 70
- Dash panel insert adaption not performed
correctly
- Select adaption channel 60 and enter
correct adaption value => Page 102
Display on VAS 5051 Possible cause of trouble Fault remedy
01315
Gearbox control unit
- No communication - Open circuit in wiring or short circuit - Use current flow diagram to perform fault-
finding
- Incorrect control unit, i.e. no CAN capability - Replace control unit with one featuring
CAN capability
Audi A3 1997 ➤
Electrical system Self-diagnosis - Edition 02.2002
3.5 - Fault table 53